* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
    font-size: 14px;
}

body,
html,
#app,
.main {
    width: 100%;
    height: 100%;
    min-width: 1000px;
    max-width: 1280px;
    margin: 0 auto;
}

.clearfix {
    content: '';
    clear: both;
    display: block;
}